fertility degree是什么意思

网络释义

用法例句

The results of the analysis has indicated that multivariate statistical analysis can determine grades of the soil fertility.

分析结果表明 ,用多元统计分析方法可以确定土壤肥力等级 ,历史符合率在 80 %以上 ,为土壤肥力等级的划分提供了一种新的研究方

The results of the analysis have indicated that method of the comprehensive decision can determine, grades of the soil fertility.

分析结果在明,用模糊综合评判法可以确定土壤肥力等级。

Orthogonal experiment of the optimized ratios of fertility of light-weight planting concrete;

轻质绿化混凝土肥力的优化配比试验

The Research of Corn Field Weeds Community Under the Different Fertility and Density;

不同肥力和密度下玉米田杂草群落的研究

The determination of the main fertility composition of soil of vegetable canopy with studying;

蔬菜大棚土壤主要肥力成分的测定与研究

The status of soil fertility for Baishui agricultural demonstration zone in Qu County;

衢县白水畈农业科技示范园区土壤肥力状况探讨

Under different soil fertility and soil texture, the yield of strong gluten wheat is the better under high fertility plant than low fertility plant.

在不同土壤肥力和质地条件下,强筋小麦的产量水平,高肥力条件优于中肥力;土壤质地对产量的影响,在高肥力情况下,中壤>重壤>轻壤(F=10。

Fertilizer Characters and Management of Red Soil in Jiangxi;

江西红壤性水稻土肥力特性及其管理

The Tobacco-growing Soil Fertilizer and Its Relationship with the Quality of Tobacco Leaves in Hengnan;

衡南植烟土壤肥力及其与烟叶质量的关系

The study on the relationship between wheat yield and water fertilizer playsa very important role in the practice of wheat yield improving,and deepen the understanding of ways used in increasing grain yield.

通过多年的小麦水肥产量效应试验研究并结合同类地区的有关研究结果，探讨了小麦产量与水分（包括：降水、底墒、灌水）因子的关系；同时也分析了其与肥力因子（包括：化肥、有机肥、施肥方式、肥料配合技术）的关系。

Effect of jute geotextiles biodegradation on soil fertility;

黄麻土工布降解对土壤肥力的影响

Relationship between soil fertility and tree growth in the broad-leaved Pinus korariensis forest at different growth periods;

红松阔叶混交林不同演替阶段土壤肥力与林木生长的关系

Relationship between plant diversity and soil fertility in Napahai wetland of Northwestern Yunnan Plateau;

滇西北高原纳帕海湿地植物多样性与土壤肥力的关系

This paper analyzes urban waste compost's fertility effect:enhancing soil's nutrient,improving soil's physical and chemical character;biology effect:improving soil's micro-organism characteristics,enhancing plant's yield and quality;environment effect:resulting in soil's sandfication,salinization and heavy metals' accumulation etc,elaborats waste compost's remedy function to polluted soils.

分析了城市垃圾堆肥的肥力效应 :提高土壤养分 ,改善土壤的理化性质 ;生物效应 :改善土壤的微生物特性 ,提高植物的产量和品质 ;环境效应 :造成土壤的沙化、盐渍化、重金属积累等 ,阐述了垃圾堆肥对土壤环境的修复作用 。

Effects on the fertility of soil and the utilization rates of fertilizer affected by fertilizer practices;

施肥技术对土壤肥力和肥料利用率的影响

Relationship between fertility of soil and growth of turfgrass in Yuandang Lake area of Xiamen;

厦门筼筜湖区绿化草坪草生长与土壤肥力关系研究

Based on measurement results of 20 paddy soil samples that were from 5 provinces, the main component analysis was employed to study paddy soil fertility.

根据对５ 省２０ 个水稻土样的测定结果，运用主成分分析的方法，对影响水稻土肥力水平的主要指标进行了筛选，确定出有效铁、有效锰、物理性砂粒、粘粒、细粉粒、田间持水量、脲酶和过氧化氢酶８ 项指标为影响水稻土肥力水平的主要指标。